The decline in the airline sector initially mirrored a pullback in the broader market as mixed retail sales, a warning from Target and more downbeat housing data weighed on investors at the outset. See Market Snapshot.

Crude-oil futures rose for a third day, up nearly $2 a barrel to end just shy of $96 on expectations U.S. crude inventories may have fallen for a sixth week and on worries that Turkish air strikes inside Iraq may cripple oil supplies from the Middle East. See full story.

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